A 49-year-old female presents with a upper respiratory tract infection. Her medical history includes

A 49-year-old female presents with a upper respiratory tract infection. Her medical history includes recurrent sinus and upper respiratory infections and a known allergy to penicillin, which causes a rash. The physician decides to prescribe a cephalosporin. Which of the following statements about cephalosporins is correct? Group of answer choices Cephalosporins are divided into 1st, 2nd, 3rd, and 4th generations, each with varying spectrums of activity. Cephalosporins are exclusively used for Gram-positive infections Cephalosporins are not recommended for patients with any history of penicillin allergy. Cephalosporins are primarily used for treating viral infections.

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